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Which of these substances are always harmful to the respiratory system? -asbestos -pollen -toxic chemicals -tobacco smoke -pollution
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18 votes
Which of these substances are always harmful to

the respiratory system?
-asbestos
-pollen
-toxic chemicals
-tobacco smoke
-pollution

User Stanislav Prusac
by
7.6k points

2 Answers

1 vote
I would say Tabacco smoke and pollution
User Yuriy Saraykin
by
7.6k points
12 votes

Answer:

asbestos

toxic chemicals

tobacco smoke

pollution

Step-by-step explanation:

User Norell
by
7.8k points
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